*{margin:0;padding:0;box-sizing:border-box}body{font-family:Comic Sans MS,cursive,sans-serif;overflow:hidden;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-user-select:none;user-select:none;position:fixed;width:100%;height:100%}#gameCanvas{display:block;background:linear-gradient(180deg,#87ceeb,#98d8c8);box-shadow:0 10px 40px #0000004d;border:5px solid #fff;border-radius:10px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);touch-action:none}#ui{position:fixed;top:0;left:0;width:100%;z-index:100;pointer-events:none}#hud{display:flex;justify-content:space-between;align-items:flex-start;padding:20px;flex-wrap:wrap;gap:15px}#health-bar-container{background:#ffffffe6;padding:10px 15px;border-radius:15px;box-shadow:0 4px 15px #0003;border:3px solid #ff6b6b}#health-label{font-size:14px;font-weight:700;color:#ff6b6b;margin-bottom:5px}#health-bar-bg{width:200px;height:25px;background:#ffcccb;border-radius:12px;overflow:hidden;border:2px solid #ff6b6b}#health-bar{height:100%;width:100%;background:linear-gradient(90deg,#ff6b6b,#ff8e8e);transition:width .3s ease;box-shadow:inset 0 2px 5px #0003}#wave-display,#score-display{background:#ffffffe6;padding:10px 20px;border-radius:15px;font-size:18px;font-weight:700;color:#333;box-shadow:0 4px 15px #0003;border:3px solid #ffd93d}#wave-display{border-color:#ff9a3d}#score-display{border-color:#ffd93d}#quit-btn{font-family:Comic Sans MS,cursive,sans-serif;font-size:16px;padding:10px 20px;background:#ff6b6be6;color:#fff;border:3px solid #fff;border-radius:15px;cursor:pointer;font-weight:700;box-shadow:0 4px 15px #0003;transition:all .3s ease;pointer-events:auto}#quit-btn:hover{background:#ff3232e6;transform:scale(1.05)}#quit-btn:active{transform:scale(.95)}#active-boosts{position:fixed;bottom:20px;left:50%;transform:translate(-50%);display:flex;gap:10px;flex-wrap:wrap;justify-content:center;max-width:90%;z-index:100;pointer-events:none}.boost-item{padding:10px 20px;border-radius:25px;font-size:16px;font-weight:700;color:#fff;text-shadow:1px 1px 2px rgba(0,0,0,.5);box-shadow:0 4px 15px #0000004d;border:3px solid #fff;animation:pulseBoost 1s infinite}@keyframes pulseBoost{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}#start-screen{position:fixed;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .5s ease;touch-action:auto}.title{font-size:4rem;color:#fff;text-shadow:4px 4px 0 #ff6b6b,8px 8px 0 #ffd93d;margin-bottom:30px;animation:bounce 1s infinite}.instructions{font-size:1.5rem;color:#fff;text-align:center;background:#0000004d;padding:20px 40px;border-radius:20px;margin-bottom:30px;line-height:1.8}#start-btn,#replay-btn{font-family:Comic Sans MS,cursive,sans-serif;font-size:2rem;padding:20px 50px;background:linear-gradient(135deg,#ffd93d,#ff9a3d);color:#333;border:5px solid #fff;border-radius:50px;cursor:pointer;font-weight:700;box-shadow:0 10px 30px #0000004d;transition:all .3s ease;pointer-events:auto;touch-action:manipulation;-webkit-tap-highlight-color:transparent}#start-btn:hover,#replay-btn:hover{transform:scale(1.1) rotate(-2deg);box-shadow:0 15px 40px #0006}#start-btn:active,#replay-btn:active{transform:scale(.95)}#game-over{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .5s ease;touch-action:auto}.game-over-title{font-size:3.5rem;color:#ff6b6b;text-shadow:3px 3px 0 #fff,6px 6px 0 #ffd93d;margin-bottom:30px;animation:shake .5s ease}.final-score,.final-wave{font-size:2rem;color:#fff;margin:10px 0;background:#ffffff1a;padding:15px 40px;border-radius:20px}#joystick-container{position:fixed;bottom:100px;left:80px;z-index:200;pointer-events:auto;touch-action:none;-webkit-user-select:none;user-select:none}#joystick-base{width:120px;height:120px;background:#ffffff4d;border:4px solid rgba(255,255,255,.5);border-radius:50%;position:relative;box-shadow:0 5px 20px #0000004d;touch-action:none}#joystick-stick{width:50px;height:50px;background:linear-gradient(135deg,#ffd93d,#ff9a3d);border:3px solid #fff;border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);transition:none;box-shadow:0 3px 10px #0000004d;pointer-events:none}.hidden{display:none!important}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-10px) rotate(-5deg)}75%{transform:translate(10px) rotate(5deg)}}@media (max-width: 768px){.title{font-size:2.8rem;text-shadow:2px 2px 0 #ff6b6b,4px 4px 0 #ffd93d;margin-bottom:20px;line-height:1.2}.instructions{font-size:1.2rem;padding:15px 25px}#start-btn,#replay-btn{font-size:1.5rem;padding:15px 35px}.game-over-title{font-size:2rem}.final-score,.final-wave{font-size:1.5rem;padding:10px 25px}#hud{padding:10px;gap:10px}#health-bar-bg{width:120px;height:20px}#wave-display,#score-display{font-size:14px;padding:8px 15px}#health-label{font-size:12px}#joystick-container{bottom:60px;left:40px}#joystick-base{width:100px;height:100px}#joystick-stick{width:40px;height:40px}#active-boosts{bottom:auto;top:65px;gap:5px;max-width:100%;flex-direction:row}.boost-item{padding:5px 10px;font-size:11px;border:2px solid #fff}#quit-btn{font-size:14px;padding:8px 15px}}